public class luojiyu{
	public static void main(String[] args){
		int a = 1;
		int b = 2;
		System.out.println(a == 1 && b == 2);//true
		System.out.println(a == 1 && b > 100);//false
		System.out.println(a > 100 && b == 2);//false
		System.out.println(a > 100 && b > 100);//false
	}
}